1 /*
2  * Marvell Wireless LAN device driver: station command response handling
3  *
4  * Copyright (C) 2011-2014, Marvell International Ltd.
5  *
6  * This software file (the "File") is distributed by Marvell International
7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
8  * (the "License").  You may use, redistribute and/or modify this File in
9  * accordance with the terms and conditions of the License, a copy of which
10  * is available by writing to the Free Software Foundation, Inc.,
11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
13  *
14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
17  * this warranty disclaimer.
18  */
19 
20 #include "decl.h"
21 #include "ioctl.h"
22 #include "util.h"
23 #include "fw.h"
24 #include "main.h"
25 #include "wmm.h"
26 #include "11n.h"
27 #include "11ac.h"
28 
29 
30 /*
31  * This function handles the command response error case.
32  *
33  * For scan response error, the function cancels all the pending
34  * scan commands and generates an event to inform the applications
35  * of the scan completion.
36  *
37  * For Power Save command failure, we do not retry enter PS
38  * command in case of Ad-hoc mode.
39  *
40  * For all other response errors, the current command buffer is freed
41  * and returned to the free command queue.
42  */
43 static void
44 mwifiex_process_cmdresp_error(struct mwifiex_private *priv,
45 			      struct host_cmd_ds_command *resp)
46 {
47 	struct mwifiex_adapter *adapter = priv->adapter;
48 	struct host_cmd_ds_802_11_ps_mode_enh *pm;
49 	unsigned long flags;
50 
51 	mwifiex_dbg(adapter, ERROR,
52 		    "CMD_RESP: cmd %#x error, result=%#x\n",
53 		    resp->command, resp->result);
54 
55 	if (adapter->curr_cmd->wait_q_enabled)
56 		adapter->cmd_wait_q.status = -1;
57 
58 	switch (le16_to_cpu(resp->command)) {
59 	case HostCmd_CMD_802_11_PS_MODE_ENH:
60 		pm = &resp->params.psmode_enh;
61 		mwifiex_dbg(adapter, ERROR,
62 			    "PS_MODE_ENH cmd failed: result=0x%x action=0x%X\n",
63 			    resp->result, le16_to_cpu(pm->action));
64 		/* We do not re-try enter-ps command in ad-hoc mode. */
65 		if (le16_to_cpu(pm->action) == EN_AUTO_PS &&
66 		    (le16_to_cpu(pm->params.ps_bitmap) & BITMAP_STA_PS) &&
67 		    priv->bss_mode == NL80211_IFTYPE_ADHOC)
68 			adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
69 
70 		break;
71 	case HostCmd_CMD_802_11_SCAN:
72 	case HostCmd_CMD_802_11_SCAN_EXT:
73 		mwifiex_cancel_pending_scan_cmd(adapter);
74 
75 		spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
76 		adapter->scan_processing = false;
77 		spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
78 		break;
79 
80 	case HostCmd_CMD_MAC_CONTROL:
81 		break;
82 
83 	case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
84 		mwifiex_dbg(adapter, MSG,
85 			    "SDIO RX single-port aggregation Not support\n");
86 		break;
87 
88 	default:
89 		break;
90 	}
91 	/* Handling errors here */
92 	mwifiex_recycle_cmd_node(adapter, adapter->curr_cmd);
93 
94 	spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags);
95 	adapter->curr_cmd = NULL;
96 	spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags);
97 }
98 
99 /*
100  * This function handles the command response of get RSSI info.
101  *
102  * Handling includes changing the header fields into CPU format
103  * and saving the following parameters in driver -
104  *      - Last data and beacon RSSI value
105  *      - Average data and beacon RSSI value
106  *      - Last data and beacon NF value
107  *      - Average data and beacon NF value
108  *
109  * The parameters are send to the application as well, along with
110  * calculated SNR values.
111  */
112 static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv,
113 					struct host_cmd_ds_command *resp)
114 {
115 	struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp =
116 						&resp->params.rssi_info_rsp;
117 	struct mwifiex_ds_misc_subsc_evt *subsc_evt =
118 						&priv->async_subsc_evt_storage;
119 
120 	priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last);
121 	priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last);
122 
123 	priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg);
124 	priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg);
125 
126 	priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last);
127 	priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last);
128 
129 	priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg);
130 	priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg);
131 
132 	if (priv->subsc_evt_rssi_state == EVENT_HANDLED)
133 		return 0;
134 
135 	memset(subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
136 
137 	/* Resubscribe low and high rssi events with new thresholds */
138 	subsc_evt->events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
139 	subsc_evt->action = HostCmd_ACT_BITWISE_SET;
140 	if (priv->subsc_evt_rssi_state == RSSI_LOW_RECVD) {
141 		subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg -
142 				priv->cqm_rssi_hyst);
143 		subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
144 	} else if (priv->subsc_evt_rssi_state == RSSI_HIGH_RECVD) {
145 		subsc_evt->bcn_l_rssi_cfg.abs_value = abs(priv->cqm_rssi_thold);
146 		subsc_evt->bcn_h_rssi_cfg.abs_value = abs(priv->bcn_rssi_avg +
147 				priv->cqm_rssi_hyst);
148 	}
149 	subsc_evt->bcn_l_rssi_cfg.evt_freq = 1;
150 	subsc_evt->bcn_h_rssi_cfg.evt_freq = 1;
151 
152 	priv->subsc_evt_rssi_state = EVENT_HANDLED;
153 
154 	mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
155 			 0, 0, subsc_evt, false);
156 
157 	return 0;
158 }
159 
160 /*
161  * This function handles the command response of set/get SNMP
162  * MIB parameters.
163  *
164  * Handling includes changing the header fields into CPU format
165  * and saving the parameter in driver.
166  *
167  * The following parameters are supported -
168  *      - Fragmentation threshold
169  *      - RTS threshold
170  *      - Short retry limit
171  */
172 static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv,
173 				       struct host_cmd_ds_command *resp,
174 				       u32 *data_buf)
175 {
176 	struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib;
177 	u16 oid = le16_to_cpu(smib->oid);
178 	u16 query_type = le16_to_cpu(smib->query_type);
179 	u32 ul_temp;
180 
181 	mwifiex_dbg(priv->adapter, INFO,
182 		    "info: SNMP_RESP: oid value = %#x,\t"
183 		    "query_type = %#x, buf size = %#x\n",
184 		    oid, query_type, le16_to_cpu(smib->buf_size));
185 	if (query_type == HostCmd_ACT_GEN_GET) {
186 		ul_temp = le16_to_cpu(*((__le16 *) (smib->value)));
187 		if (data_buf)
188 			*data_buf = ul_temp;
189 		switch (oid) {
190 		case FRAG_THRESH_I:
191 			mwifiex_dbg(priv->adapter, INFO,
192 				    "info: SNMP_RESP: FragThsd =%u\n",
193 				    ul_temp);
194 			break;
195 		case RTS_THRESH_I:
196 			mwifiex_dbg(priv->adapter, INFO,
197 				    "info: SNMP_RESP: RTSThsd =%u\n",
198 				    ul_temp);
199 			break;
200 		case SHORT_RETRY_LIM_I:
201 			mwifiex_dbg(priv->adapter, INFO,
202 				    "info: SNMP_RESP: TxRetryCount=%u\n",
203 				    ul_temp);
204 			break;
205 		case DTIM_PERIOD_I:
206 			mwifiex_dbg(priv->adapter, INFO,
207 				    "info: SNMP_RESP: DTIM period=%u\n",
208 				    ul_temp);
209 		default:
210 			break;
211 		}
212 	}
213 
214 	return 0;
215 }
216 
217 /*
218  * This function handles the command response of get log request
219  *
220  * Handling includes changing the header fields into CPU format
221  * and sending the received parameters to application.
222  */
223 static int mwifiex_ret_get_log(struct mwifiex_private *priv,
224 			       struct host_cmd_ds_command *resp,
225 			       struct mwifiex_ds_get_stats *stats)
226 {
227 	struct host_cmd_ds_802_11_get_log *get_log =
228 		&resp->params.get_log;
229 
230 	if (stats) {
231 		stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame);
232 		stats->failed = le32_to_cpu(get_log->failed);
233 		stats->retry = le32_to_cpu(get_log->retry);
234 		stats->multi_retry = le32_to_cpu(get_log->multi_retry);
235 		stats->frame_dup = le32_to_cpu(get_log->frame_dup);
236 		stats->rts_success = le32_to_cpu(get_log->rts_success);
237 		stats->rts_failure = le32_to_cpu(get_log->rts_failure);
238 		stats->ack_failure = le32_to_cpu(get_log->ack_failure);
239 		stats->rx_frag = le32_to_cpu(get_log->rx_frag);
240 		stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame);
241 		stats->fcs_error = le32_to_cpu(get_log->fcs_error);
242 		stats->tx_frame = le32_to_cpu(get_log->tx_frame);
243 		stats->wep_icv_error[0] =
244 			le32_to_cpu(get_log->wep_icv_err_cnt[0]);
245 		stats->wep_icv_error[1] =
246 			le32_to_cpu(get_log->wep_icv_err_cnt[1]);
247 		stats->wep_icv_error[2] =
248 			le32_to_cpu(get_log->wep_icv_err_cnt[2]);
249 		stats->wep_icv_error[3] =
250 			le32_to_cpu(get_log->wep_icv_err_cnt[3]);
251 		stats->bcn_rcv_cnt = le32_to_cpu(get_log->bcn_rcv_cnt);
252 		stats->bcn_miss_cnt = le32_to_cpu(get_log->bcn_miss_cnt);
253 	}
254 
255 	return 0;
256 }
257 
258 /*
259  * This function handles the command response of set/get Tx rate
260  * configurations.
261  *
262  * Handling includes changing the header fields into CPU format
263  * and saving the following parameters in driver -
264  *      - DSSS rate bitmap
265  *      - OFDM rate bitmap
266  *      - HT MCS rate bitmaps
267  *
268  * Based on the new rate bitmaps, the function re-evaluates if
269  * auto data rate has been activated. If not, it sends another
270  * query to the firmware to get the current Tx data rate.
271  */
272 static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv,
273 				   struct host_cmd_ds_command *resp)
274 {
275 	struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg;
276 	struct mwifiex_rate_scope *rate_scope;
277 	struct mwifiex_ie_types_header *head;
278 	u16 tlv, tlv_buf_len, tlv_buf_left;
279 	u8 *tlv_buf;
280 	u32 i;
281 
282 	tlv_buf = ((u8 *)rate_cfg) + sizeof(struct host_cmd_ds_tx_rate_cfg);
283 	tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*rate_cfg);
284 
285 	while (tlv_buf_left >= sizeof(*head)) {
286 		head = (struct mwifiex_ie_types_header *)tlv_buf;
287 		tlv = le16_to_cpu(head->type);
288 		tlv_buf_len = le16_to_cpu(head->len);
289 
290 		if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
291 			break;
292 
293 		switch (tlv) {
294 		case TLV_TYPE_RATE_SCOPE:
295 			rate_scope = (struct mwifiex_rate_scope *) tlv_buf;
296 			priv->bitmap_rates[0] =
297 				le16_to_cpu(rate_scope->hr_dsss_rate_bitmap);
298 			priv->bitmap_rates[1] =
299 				le16_to_cpu(rate_scope->ofdm_rate_bitmap);
300 			for (i = 0;
301 			     i <
302 			     sizeof(rate_scope->ht_mcs_rate_bitmap) /
303 			     sizeof(u16); i++)
304 				priv->bitmap_rates[2 + i] =
305 					le16_to_cpu(rate_scope->
306 						    ht_mcs_rate_bitmap[i]);
307 
308 			if (priv->adapter->fw_api_ver == MWIFIEX_FW_V15) {
309 				for (i = 0; i < ARRAY_SIZE(rate_scope->
310 							   vht_mcs_rate_bitmap);
311 				     i++)
312 					priv->bitmap_rates[10 + i] =
313 					    le16_to_cpu(rate_scope->
314 							vht_mcs_rate_bitmap[i]);
315 			}
316 			break;
317 			/* Add RATE_DROP tlv here */
318 		}
319 
320 		tlv_buf += (sizeof(*head) + tlv_buf_len);
321 		tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
322 	}
323 
324 	priv->is_data_rate_auto = mwifiex_is_rate_auto(priv);
325 
326 	if (priv->is_data_rate_auto)
327 		priv->data_rate = 0;
328 	else
329 		return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
330 					HostCmd_ACT_GEN_GET, 0, NULL, false);
331 
332 	return 0;
333 }
334 
335 /*
336  * This function handles the command response of get Tx power level.
337  *
338  * Handling includes saving the maximum and minimum Tx power levels
339  * in driver, as well as sending the values to user.
340  */
341 static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf)
342 {
343 	int length, max_power = -1, min_power = -1;
344 	struct mwifiex_types_power_group *pg_tlv_hdr;
345 	struct mwifiex_power_group *pg;
346 
347 	if (!data_buf)
348 		return -1;
349 
350 	pg_tlv_hdr = (struct mwifiex_types_power_group *)((u8 *)data_buf);
351 	pg = (struct mwifiex_power_group *)
352 		((u8 *) pg_tlv_hdr + sizeof(struct mwifiex_types_power_group));
353 	length = le16_to_cpu(pg_tlv_hdr->length);
354 
355 	/* At least one structure required to update power */
356 	if (length < sizeof(struct mwifiex_power_group))
357 		return 0;
358 
359 	max_power = pg->power_max;
360 	min_power = pg->power_min;
361 	length -= sizeof(struct mwifiex_power_group);
362 
363 	while (length >= sizeof(struct mwifiex_power_group)) {
364 		pg++;
365 		if (max_power < pg->power_max)
366 			max_power = pg->power_max;
367 
368 		if (min_power > pg->power_min)
369 			min_power = pg->power_min;
370 
371 		length -= sizeof(struct mwifiex_power_group);
372 	}
373 	priv->min_tx_power_level = (u8) min_power;
374 	priv->max_tx_power_level = (u8) max_power;
375 
376 	return 0;
377 }
378 
379 /*
380  * This function handles the command response of set/get Tx power
381  * configurations.
382  *
383  * Handling includes changing the header fields into CPU format
384  * and saving the current Tx power level in driver.
385  */
386 static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv,
387 				    struct host_cmd_ds_command *resp)
388 {
389 	struct mwifiex_adapter *adapter = priv->adapter;
390 	struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg;
391 	struct mwifiex_types_power_group *pg_tlv_hdr;
392 	struct mwifiex_power_group *pg;
393 	u16 action = le16_to_cpu(txp_cfg->action);
394 	u16 tlv_buf_left;
395 
396 	pg_tlv_hdr = (struct mwifiex_types_power_group *)
397 		((u8 *)txp_cfg +
398 		 sizeof(struct host_cmd_ds_txpwr_cfg));
399 
400 	pg = (struct mwifiex_power_group *)
401 		((u8 *)pg_tlv_hdr +
402 		 sizeof(struct mwifiex_types_power_group));
403 
404 	tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*txp_cfg);
405 	if (tlv_buf_left <
406 			le16_to_cpu(pg_tlv_hdr->length) + sizeof(*pg_tlv_hdr))
407 		return 0;
408 
409 	switch (action) {
410 	case HostCmd_ACT_GEN_GET:
411 		if (adapter->hw_status == MWIFIEX_HW_STATUS_INITIALIZING)
412 			mwifiex_get_power_level(priv, pg_tlv_hdr);
413 
414 		priv->tx_power_level = (u16) pg->power_min;
415 		break;
416 
417 	case HostCmd_ACT_GEN_SET:
418 		if (!le32_to_cpu(txp_cfg->mode))
419 			break;
420 
421 		if (pg->power_max == pg->power_min)
422 			priv->tx_power_level = (u16) pg->power_min;
423 		break;
424 	default:
425 		mwifiex_dbg(adapter, ERROR,
426 			    "CMD_RESP: unknown cmd action %d\n",
427 			    action);
428 		return 0;
429 	}
430 	mwifiex_dbg(adapter, INFO,
431 		    "info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n",
432 		    priv->tx_power_level, priv->max_tx_power_level,
433 		    priv->min_tx_power_level);
434 
435 	return 0;
436 }
437 
438 /*
439  * This function handles the command response of get RF Tx power.
440  */
441 static int mwifiex_ret_rf_tx_power(struct mwifiex_private *priv,
442 				   struct host_cmd_ds_command *resp)
443 {
444 	struct host_cmd_ds_rf_tx_pwr *txp = &resp->params.txp;
445 	u16 action = le16_to_cpu(txp->action);
446 
447 	priv->tx_power_level = le16_to_cpu(txp->cur_level);
448 
449 	if (action == HostCmd_ACT_GEN_GET) {
450 		priv->max_tx_power_level = txp->max_power;
451 		priv->min_tx_power_level = txp->min_power;
452 	}
453 
454 	mwifiex_dbg(priv->adapter, INFO,
455 		    "Current TxPower Level=%d, Max Power=%d, Min Power=%d\n",
456 		    priv->tx_power_level, priv->max_tx_power_level,
457 		    priv->min_tx_power_level);
458 
459 	return 0;
460 }
461 
462 /*
463  * This function handles the command response of set rf antenna
464  */
465 static int mwifiex_ret_rf_antenna(struct mwifiex_private *priv,
466 				  struct host_cmd_ds_command *resp)
467 {
468 	struct host_cmd_ds_rf_ant_mimo *ant_mimo = &resp->params.ant_mimo;
469 	struct host_cmd_ds_rf_ant_siso *ant_siso = &resp->params.ant_siso;
470 	struct mwifiex_adapter *adapter = priv->adapter;
471 
472 	if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) {
473 		priv->tx_ant = le16_to_cpu(ant_mimo->tx_ant_mode);
474 		priv->rx_ant = le16_to_cpu(ant_mimo->rx_ant_mode);
475 		mwifiex_dbg(adapter, INFO,
476 			    "RF_ANT_RESP: Tx action = 0x%x, Tx Mode = 0x%04x\t"
477 			    "Rx action = 0x%x, Rx Mode = 0x%04x\n",
478 			    le16_to_cpu(ant_mimo->action_tx),
479 			    le16_to_cpu(ant_mimo->tx_ant_mode),
480 			    le16_to_cpu(ant_mimo->action_rx),
481 			    le16_to_cpu(ant_mimo->rx_ant_mode));
482 	} else {
483 		priv->tx_ant = le16_to_cpu(ant_siso->ant_mode);
484 		priv->rx_ant = le16_to_cpu(ant_siso->ant_mode);
485 		mwifiex_dbg(adapter, INFO,
486 			    "RF_ANT_RESP: action = 0x%x, Mode = 0x%04x\n",
487 			    le16_to_cpu(ant_siso->action),
488 			    le16_to_cpu(ant_siso->ant_mode));
489 	}
490 	return 0;
491 }
492 
493 /*
494  * This function handles the command response of set/get MAC address.
495  *
496  * Handling includes saving the MAC address in driver.
497  */
498 static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv,
499 					  struct host_cmd_ds_command *resp)
500 {
501 	struct host_cmd_ds_802_11_mac_address *cmd_mac_addr =
502 							&resp->params.mac_addr;
503 
504 	memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN);
505 
506 	mwifiex_dbg(priv->adapter, INFO,
507 		    "info: set mac address: %pM\n", priv->curr_addr);
508 
509 	return 0;
510 }
511 
512 /*
513  * This function handles the command response of set/get MAC multicast
514  * address.
515  */
516 static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv,
517 					 struct host_cmd_ds_command *resp)
518 {
519 	return 0;
520 }
521 
522 /*
523  * This function handles the command response of get Tx rate query.
524  *
525  * Handling includes changing the header fields into CPU format
526  * and saving the Tx rate and HT information parameters in driver.
527  *
528  * Both rate configuration and current data rate can be retrieved
529  * with this request.
530  */
531 static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv,
532 					    struct host_cmd_ds_command *resp)
533 {
534 	priv->tx_rate = resp->params.tx_rate.tx_rate;
535 	priv->tx_htinfo = resp->params.tx_rate.ht_info;
536 	if (!priv->is_data_rate_auto)
537 		priv->data_rate =
538 			mwifiex_index_to_data_rate(priv, priv->tx_rate,
539 						   priv->tx_htinfo);
540 
541 	return 0;
542 }
543 
544 /*
545  * This function handles the command response of a deauthenticate
546  * command.
547  *
548  * If the deauthenticated MAC matches the current BSS MAC, the connection
549  * state is reset.
550  */
551 static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv,
552 					     struct host_cmd_ds_command *resp)
553 {
554 	struct mwifiex_adapter *adapter = priv->adapter;
555 
556 	adapter->dbg.num_cmd_deauth++;
557 	if (!memcmp(resp->params.deauth.mac_addr,
558 		    &priv->curr_bss_params.bss_descriptor.mac_address,
559 		    sizeof(resp->params.deauth.mac_addr)))
560 		mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING,
561 					    false);
562 
563 	return 0;
564 }
565 
566 /*
567  * This function handles the command response of ad-hoc stop.
568  *
569  * The function resets the connection state in driver.
570  */
571 static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv,
572 					  struct host_cmd_ds_command *resp)
573 {
574 	mwifiex_reset_connect_state(priv, WLAN_REASON_DEAUTH_LEAVING, false);
575 	return 0;
576 }
577 
578 /*
579  * This function handles the command response of set/get v1 key material.
580  *
581  * Handling includes updating the driver parameters to reflect the
582  * changes.
583  */
584 static int mwifiex_ret_802_11_key_material_v1(struct mwifiex_private *priv,
585 					      struct host_cmd_ds_command *resp)
586 {
587 	struct host_cmd_ds_802_11_key_material *key =
588 						&resp->params.key_material;
589 
590 	if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
591 		if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
592 			mwifiex_dbg(priv->adapter, INFO,
593 				    "info: key: GTK is set\n");
594 			priv->wpa_is_gtk_set = true;
595 			priv->scan_block = false;
596 			priv->port_open = true;
597 		}
598 	}
599 
600 	memset(priv->aes_key.key_param_set.key, 0,
601 	       sizeof(key->key_param_set.key));
602 	priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
603 	memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
604 	       le16_to_cpu(priv->aes_key.key_param_set.key_len));
605 
606 	return 0;
607 }
608 
609 /*
610  * This function handles the command response of set/get v2 key material.
611  *
612  * Handling includes updating the driver parameters to reflect the
613  * changes.
614  */
615 static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv,
616 					      struct host_cmd_ds_command *resp)
617 {
618 	struct host_cmd_ds_802_11_key_material_v2 *key_v2;
619 	__le16 len;
620 
621 	key_v2 = &resp->params.key_material_v2;
622 	if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) {
623 		if ((le16_to_cpu(key_v2->key_param_set.key_info) & KEY_MCAST)) {
624 			mwifiex_dbg(priv->adapter, INFO, "info: key: GTK is set\n");
625 			priv->wpa_is_gtk_set = true;
626 			priv->scan_block = false;
627 			priv->port_open = true;
628 		}
629 	}
630 
631 	if (key_v2->key_param_set.key_type != KEY_TYPE_ID_AES)
632 		return 0;
633 
634 	memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0,
635 	       WLAN_KEY_LEN_CCMP);
636 	priv->aes_key_v2.key_param_set.key_params.aes.key_len =
637 				key_v2->key_param_set.key_params.aes.key_len;
638 	len = priv->aes_key_v2.key_param_set.key_params.aes.key_len;
639 	memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key,
640 	       key_v2->key_param_set.key_params.aes.key, le16_to_cpu(len));
641 
642 	return 0;
643 }
644 
645 /* Wrapper function for processing response of key material command */
646 static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv,
647 					   struct host_cmd_ds_command *resp)
648 {
649 	if (priv->adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
650 		return mwifiex_ret_802_11_key_material_v2(priv, resp);
651 	else
652 		return mwifiex_ret_802_11_key_material_v1(priv, resp);
653 }
654 
655 /*
656  * This function handles the command response of get 11d domain information.
657  */
658 static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv,
659 					   struct host_cmd_ds_command *resp)
660 {
661 	struct host_cmd_ds_802_11d_domain_info_rsp *domain_info =
662 		&resp->params.domain_info_resp;
663 	struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain;
664 	u16 action = le16_to_cpu(domain_info->action);
665 	u8 no_of_triplet;
666 
667 	no_of_triplet = (u8) ((le16_to_cpu(domain->header.len)
668 				- IEEE80211_COUNTRY_STRING_LEN)
669 			      / sizeof(struct ieee80211_country_ie_triplet));
670 
671 	mwifiex_dbg(priv->adapter, INFO,
672 		    "info: 11D Domain Info Resp: no_of_triplet=%d\n",
673 		    no_of_triplet);
674 
675 	if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) {
676 		mwifiex_dbg(priv->adapter, FATAL,
677 			    "11D: invalid number of triplets %d returned\n",
678 			    no_of_triplet);
679 		return -1;
680 	}
681 
682 	switch (action) {
683 	case HostCmd_ACT_GEN_SET:  /* Proc Set Action */
684 		break;
685 	case HostCmd_ACT_GEN_GET:
686 		break;
687 	default:
688 		mwifiex_dbg(priv->adapter, ERROR,
689 			    "11D: invalid action:%d\n", domain_info->action);
690 		return -1;
691 	}
692 
693 	return 0;
694 }
695 
696 /*
697  * This function handles the command response of get extended version.
698  *
699  * Handling includes forming the extended version string and sending it
700  * to application.
701  */
702 static int mwifiex_ret_ver_ext(struct mwifiex_private *priv,
703 			       struct host_cmd_ds_command *resp,
704 			       struct host_cmd_ds_version_ext *version_ext)
705 {
706 	struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext;
707 
708 	if (version_ext) {
709 		version_ext->version_str_sel = ver_ext->version_str_sel;
710 		memcpy(version_ext->version_str, ver_ext->version_str,
711 		       sizeof(char) * 128);
712 		memcpy(priv->version_str, ver_ext->version_str, 128);
713 	}
714 	return 0;
715 }
716 
717 /*
718  * This function handles the command response of remain on channel.
719  */
720 static int
721 mwifiex_ret_remain_on_chan(struct mwifiex_private *priv,
722 			   struct host_cmd_ds_command *resp,
723 			   struct host_cmd_ds_remain_on_chan *roc_cfg)
724 {
725 	struct host_cmd_ds_remain_on_chan *resp_cfg = &resp->params.roc_cfg;
726 
727 	if (roc_cfg)
728 		memcpy(roc_cfg, resp_cfg, sizeof(*roc_cfg));
729 
730 	return 0;
731 }
732 
733 /*
734  * This function handles the command response of P2P mode cfg.
735  */
736 static int
737 mwifiex_ret_p2p_mode_cfg(struct mwifiex_private *priv,
738 			 struct host_cmd_ds_command *resp,
739 			 void *data_buf)
740 {
741 	struct host_cmd_ds_p2p_mode_cfg *mode_cfg = &resp->params.mode_cfg;
742 
743 	if (data_buf)
744 		*((u16 *)data_buf) = le16_to_cpu(mode_cfg->mode);
745 
746 	return 0;
747 }
748 
749 /* This function handles the command response of mem_access command
750  */
751 static int
752 mwifiex_ret_mem_access(struct mwifiex_private *priv,
753 		       struct host_cmd_ds_command *resp, void *pioctl_buf)
754 {
755 	struct host_cmd_ds_mem_access *mem = (void *)&resp->params.mem;
756 
757 	priv->mem_rw.addr = le32_to_cpu(mem->addr);
758 	priv->mem_rw.value = le32_to_cpu(mem->value);
759 
760 	return 0;
761 }
762 /*
763  * This function handles the command response of register access.
764  *
765  * The register value and offset are returned to the user. For EEPROM
766  * access, the byte count is also returned.
767  */
768 static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp,
769 				  void *data_buf)
770 {
771 	struct mwifiex_ds_reg_rw *reg_rw;
772 	struct mwifiex_ds_read_eeprom *eeprom;
773 	union reg {
774 		struct host_cmd_ds_mac_reg_access *mac;
775 		struct host_cmd_ds_bbp_reg_access *bbp;
776 		struct host_cmd_ds_rf_reg_access *rf;
777 		struct host_cmd_ds_pmic_reg_access *pmic;
778 		struct host_cmd_ds_802_11_eeprom_access *eeprom;
779 	} r;
780 
781 	if (!data_buf)
782 		return 0;
783 
784 	reg_rw = data_buf;
785 	eeprom = data_buf;
786 	switch (type) {
787 	case HostCmd_CMD_MAC_REG_ACCESS:
788 		r.mac = &resp->params.mac_reg;
789 		reg_rw->offset = (u32) le16_to_cpu(r.mac->offset);
790 		reg_rw->value = le32_to_cpu(r.mac->value);
791 		break;
792 	case HostCmd_CMD_BBP_REG_ACCESS:
793 		r.bbp = &resp->params.bbp_reg;
794 		reg_rw->offset = (u32) le16_to_cpu(r.bbp->offset);
795 		reg_rw->value = (u32) r.bbp->value;
796 		break;
797 
798 	case HostCmd_CMD_RF_REG_ACCESS:
799 		r.rf = &resp->params.rf_reg;
800 		reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
801 		reg_rw->value = (u32) r.bbp->value;
802 		break;
803 	case HostCmd_CMD_PMIC_REG_ACCESS:
804 		r.pmic = &resp->params.pmic_reg;
805 		reg_rw->offset = (u32) le16_to_cpu(r.pmic->offset);
806 		reg_rw->value = (u32) r.pmic->value;
807 		break;
808 	case HostCmd_CMD_CAU_REG_ACCESS:
809 		r.rf = &resp->params.rf_reg;
810 		reg_rw->offset = (u32) le16_to_cpu(r.rf->offset);
811 		reg_rw->value = (u32) r.rf->value;
812 		break;
813 	case HostCmd_CMD_802_11_EEPROM_ACCESS:
814 		r.eeprom = &resp->params.eeprom;
815 		pr_debug("info: EEPROM read len=%x\n",
816 				le16_to_cpu(r.eeprom->byte_count));
817 		if (eeprom->byte_count < le16_to_cpu(r.eeprom->byte_count)) {
818 			eeprom->byte_count = 0;
819 			pr_debug("info: EEPROM read length is too big\n");
820 			return -1;
821 		}
822 		eeprom->offset = le16_to_cpu(r.eeprom->offset);
823 		eeprom->byte_count = le16_to_cpu(r.eeprom->byte_count);
824 		if (eeprom->byte_count > 0)
825 			memcpy(&eeprom->value, &r.eeprom->value,
826 			       min((u16)MAX_EEPROM_DATA, eeprom->byte_count));
827 		break;
828 	default:
829 		return -1;
830 	}
831 	return 0;
832 }
833 
834 /*
835  * This function handles the command response of get IBSS coalescing status.
836  *
837  * If the received BSSID is different than the current one, the current BSSID,
838  * beacon interval, ATIM window and ERP information are updated, along with
839  * changing the ad-hoc state accordingly.
840  */
841 static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv,
842 					      struct host_cmd_ds_command *resp)
843 {
844 	struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp =
845 					&(resp->params.ibss_coalescing);
846 
847 	if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET)
848 		return 0;
849 
850 	mwifiex_dbg(priv->adapter, INFO,
851 		    "info: new BSSID %pM\n", ibss_coal_resp->bssid);
852 
853 	/* If rsp has NULL BSSID, Just return..... No Action */
854 	if (is_zero_ether_addr(ibss_coal_resp->bssid)) {
855 		mwifiex_dbg(priv->adapter, FATAL, "new BSSID is NULL\n");
856 		return 0;
857 	}
858 
859 	/* If BSSID is diff, modify current BSS parameters */
860 	if (!ether_addr_equal(priv->curr_bss_params.bss_descriptor.mac_address, ibss_coal_resp->bssid)) {
861 		/* BSSID */
862 		memcpy(priv->curr_bss_params.bss_descriptor.mac_address,
863 		       ibss_coal_resp->bssid, ETH_ALEN);
864 
865 		/* Beacon Interval */
866 		priv->curr_bss_params.bss_descriptor.beacon_period
867 			= le16_to_cpu(ibss_coal_resp->beacon_interval);
868 
869 		/* ERP Information */
870 		priv->curr_bss_params.bss_descriptor.erp_flags =
871 			(u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect);
872 
873 		priv->adhoc_state = ADHOC_COALESCED;
874 	}
875 
876 	return 0;
877 }
878 static int mwifiex_ret_tdls_oper(struct mwifiex_private *priv,
879 				 struct host_cmd_ds_command *resp)
880 {
881 	struct host_cmd_ds_tdls_oper *cmd_tdls_oper = &resp->params.tdls_oper;
882 	u16 reason = le16_to_cpu(cmd_tdls_oper->reason);
883 	u16 action = le16_to_cpu(cmd_tdls_oper->tdls_action);
884 	struct mwifiex_sta_node *node =
885 			   mwifiex_get_sta_entry(priv, cmd_tdls_oper->peer_mac);
886 
887 	switch (action) {
888 	case ACT_TDLS_DELETE:
889 		if (reason) {
890 			if (!node || reason == TDLS_ERR_LINK_NONEXISTENT)
891 				mwifiex_dbg(priv->adapter, MSG,
892 					    "TDLS link delete for %pM failed: reason %d\n",
893 					    cmd_tdls_oper->peer_mac, reason);
894 			else
895 				mwifiex_dbg(priv->adapter, ERROR,
896 					    "TDLS link delete for %pM failed: reason %d\n",
897 					    cmd_tdls_oper->peer_mac, reason);
898 		} else {
899 			mwifiex_dbg(priv->adapter, MSG,
900 				    "TDLS link delete for %pM successful\n",
901 				    cmd_tdls_oper->peer_mac);
902 		}
903 		break;
904 	case ACT_TDLS_CREATE:
905 		if (reason) {
906 			mwifiex_dbg(priv->adapter, ERROR,
907 				    "TDLS link creation for %pM failed: reason %d",
908 				    cmd_tdls_oper->peer_mac, reason);
909 			if (node && reason != TDLS_ERR_LINK_EXISTS)
910 				node->tdls_status = TDLS_SETUP_FAILURE;
911 		} else {
912 			mwifiex_dbg(priv->adapter, MSG,
913 				    "TDLS link creation for %pM successful",
914 				    cmd_tdls_oper->peer_mac);
915 		}
916 		break;
917 	case ACT_TDLS_CONFIG:
918 		if (reason) {
919 			mwifiex_dbg(priv->adapter, ERROR,
920 				    "TDLS link config for %pM failed, reason %d\n",
921 				    cmd_tdls_oper->peer_mac, reason);
922 			if (node)
923 				node->tdls_status = TDLS_SETUP_FAILURE;
924 		} else {
925 			mwifiex_dbg(priv->adapter, MSG,
926 				    "TDLS link config for %pM successful\n",
927 				    cmd_tdls_oper->peer_mac);
928 		}
929 		break;
930 	default:
931 		mwifiex_dbg(priv->adapter, ERROR,
932 			    "Unknown TDLS command action response %d", action);
933 		return -1;
934 	}
935 
936 	return 0;
937 }
938 /*
939  * This function handles the command response for subscribe event command.
940  */
941 static int mwifiex_ret_subsc_evt(struct mwifiex_private *priv,
942 				 struct host_cmd_ds_command *resp)
943 {
944 	struct host_cmd_ds_802_11_subsc_evt *cmd_sub_event =
945 		&resp->params.subsc_evt;
946 
947 	/* For every subscribe event command (Get/Set/Clear), FW reports the
948 	 * current set of subscribed events*/
949 	mwifiex_dbg(priv->adapter, EVENT,
950 		    "Bitmap of currently subscribed events: %16x\n",
951 		    le16_to_cpu(cmd_sub_event->events));
952 
953 	return 0;
954 }
955 
956 static int mwifiex_ret_uap_sta_list(struct mwifiex_private *priv,
957 				    struct host_cmd_ds_command *resp)
958 {
959 	struct host_cmd_ds_sta_list *sta_list =
960 		&resp->params.sta_list;
961 	struct mwifiex_ie_types_sta_info *sta_info = (void *)&sta_list->tlv;
962 	int i;
963 	struct mwifiex_sta_node *sta_node;
964 
965 	for (i = 0; i < (le16_to_cpu(sta_list->sta_count)); i++) {
966 		sta_node = mwifiex_get_sta_entry(priv, sta_info->mac);
967 		if (unlikely(!sta_node))
968 			continue;
969 
970 		sta_node->stats.rssi = sta_info->rssi;
971 		sta_info++;
972 	}
973 
974 	return 0;
975 }
976 
977 /* This function handles the command response of set_cfg_data */
978 static int mwifiex_ret_cfg_data(struct mwifiex_private *priv,
979 				struct host_cmd_ds_command *resp)
980 {
981 	if (resp->result != HostCmd_RESULT_OK) {
982 		mwifiex_dbg(priv->adapter, ERROR, "Cal data cmd resp failed\n");
983 		return -1;
984 	}
985 
986 	return 0;
987 }
988 
989 /** This Function handles the command response of sdio rx aggr */
990 static int mwifiex_ret_sdio_rx_aggr_cfg(struct mwifiex_private *priv,
991 					struct host_cmd_ds_command *resp)
992 {
993 	struct mwifiex_adapter *adapter = priv->adapter;
994 	struct host_cmd_sdio_sp_rx_aggr_cfg *cfg =
995 				&resp->params.sdio_rx_aggr_cfg;
996 
997 	adapter->sdio_rx_aggr_enable = cfg->enable;
998 	adapter->sdio_rx_block_size = le16_to_cpu(cfg->block_size);
999 
1000 	return 0;
1001 }
1002 
1003 static int mwifiex_ret_robust_coex(struct mwifiex_private *priv,
1004 				   struct host_cmd_ds_command *resp,
1005 				   bool *is_timeshare)
1006 {
1007 	struct host_cmd_ds_robust_coex *coex = &resp->params.coex;
1008 	struct mwifiex_ie_types_robust_coex *coex_tlv;
1009 	u16 action = le16_to_cpu(coex->action);
1010 	u32 mode;
1011 
1012 	coex_tlv = (struct mwifiex_ie_types_robust_coex
1013 		    *)((u8 *)coex + sizeof(struct host_cmd_ds_robust_coex));
1014 	if (action == HostCmd_ACT_GEN_GET) {
1015 		mode = le32_to_cpu(coex_tlv->mode);
1016 		if (mode == MWIFIEX_COEX_MODE_TIMESHARE)
1017 			*is_timeshare = true;
1018 		else
1019 			*is_timeshare = false;
1020 	}
1021 
1022 	return 0;
1023 }
1024 
1025 static struct ieee80211_regdomain *
1026 mwifiex_create_custom_regdomain(struct mwifiex_private *priv,
1027 				u8 *buf, u16 buf_len)
1028 {
1029 	u16 num_chan = buf_len / 2;
1030 	struct ieee80211_regdomain *regd;
1031 	struct ieee80211_reg_rule *rule;
1032 	bool new_rule;
1033 	int regd_size, idx, freq, prev_freq = 0;
1034 	u32 bw, prev_bw = 0;
1035 	u8 chflags, prev_chflags = 0, valid_rules = 0;
1036 
1037 	if (WARN_ON_ONCE(num_chan > NL80211_MAX_SUPP_REG_RULES))
1038 		return ERR_PTR(-EINVAL);
1039 
1040 	regd_size = sizeof(struct ieee80211_regdomain) +
1041 		    num_chan * sizeof(struct ieee80211_reg_rule);
1042 
1043 	regd = kzalloc(regd_size, GFP_KERNEL);
1044 	if (!regd)
1045 		return ERR_PTR(-ENOMEM);
1046 
1047 	for (idx = 0; idx < num_chan; idx++) {
1048 		u8 chan;
1049 		enum nl80211_band band;
1050 
1051 		chan = *buf++;
1052 		if (!chan) {
1053 			kfree(regd);
1054 			return NULL;
1055 		}
1056 		chflags = *buf++;
1057 		band = (chan <= 14) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ;
1058 		freq = ieee80211_channel_to_frequency(chan, band);
1059 		new_rule = false;
1060 
1061 		if (chflags & MWIFIEX_CHANNEL_DISABLED)
1062 			continue;
1063 
1064 		if (band == NL80211_BAND_5GHZ) {
1065 			if (!(chflags & MWIFIEX_CHANNEL_NOHT80))
1066 				bw = MHZ_TO_KHZ(80);
1067 			else if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1068 				bw = MHZ_TO_KHZ(40);
1069 			else
1070 				bw = MHZ_TO_KHZ(20);
1071 		} else {
1072 			if (!(chflags & MWIFIEX_CHANNEL_NOHT40))
1073 				bw = MHZ_TO_KHZ(40);
1074 			else
1075 				bw = MHZ_TO_KHZ(20);
1076 		}
1077 
1078 		if (idx == 0 || prev_chflags != chflags || prev_bw != bw ||
1079 		    freq - prev_freq > 20) {
1080 			valid_rules++;
1081 			new_rule = true;
1082 		}
1083 
1084 		rule = &regd->reg_rules[valid_rules - 1];
1085 
1086 		rule->freq_range.end_freq_khz = MHZ_TO_KHZ(freq + 10);
1087 
1088 		prev_chflags = chflags;
1089 		prev_freq = freq;
1090 		prev_bw = bw;
1091 
1092 		if (!new_rule)
1093 			continue;
1094 
1095 		rule->freq_range.start_freq_khz = MHZ_TO_KHZ(freq - 10);
1096 		rule->power_rule.max_eirp = DBM_TO_MBM(19);
1097 
1098 		if (chflags & MWIFIEX_CHANNEL_PASSIVE)
1099 			rule->flags = NL80211_RRF_NO_IR;
1100 
1101 		if (chflags & MWIFIEX_CHANNEL_DFS)
1102 			rule->flags = NL80211_RRF_DFS;
1103 
1104 		rule->freq_range.max_bandwidth_khz = bw;
1105 	}
1106 
1107 	regd->n_reg_rules = valid_rules;
1108 	regd->alpha2[0] = '9';
1109 	regd->alpha2[1] = '9';
1110 
1111 	return regd;
1112 }
1113 
1114 static int mwifiex_ret_chan_region_cfg(struct mwifiex_private *priv,
1115 				       struct host_cmd_ds_command *resp)
1116 {
1117 	struct host_cmd_ds_chan_region_cfg *reg = &resp->params.reg_cfg;
1118 	u16 action = le16_to_cpu(reg->action);
1119 	u16 tlv, tlv_buf_len, tlv_buf_left;
1120 	struct mwifiex_ie_types_header *head;
1121 	struct ieee80211_regdomain *regd;
1122 	u8 *tlv_buf;
1123 
1124 	if (action != HostCmd_ACT_GEN_GET)
1125 		return 0;
1126 
1127 	tlv_buf = (u8 *)reg + sizeof(*reg);
1128 	tlv_buf_left = le16_to_cpu(resp->size) - S_DS_GEN - sizeof(*reg);
1129 
1130 	while (tlv_buf_left >= sizeof(*head)) {
1131 		head = (struct mwifiex_ie_types_header *)tlv_buf;
1132 		tlv = le16_to_cpu(head->type);
1133 		tlv_buf_len = le16_to_cpu(head->len);
1134 
1135 		if (tlv_buf_left < (sizeof(*head) + tlv_buf_len))
1136 			break;
1137 
1138 		switch (tlv) {
1139 		case TLV_TYPE_CHAN_ATTR_CFG:
1140 			mwifiex_dbg_dump(priv->adapter, CMD_D, "CHAN:",
1141 					 (u8 *)head + sizeof(*head),
1142 					 tlv_buf_len);
1143 			regd = mwifiex_create_custom_regdomain(priv,
1144 				(u8 *)head + sizeof(*head), tlv_buf_len);
1145 			if (!IS_ERR(regd))
1146 				priv->adapter->regd = regd;
1147 			break;
1148 		}
1149 
1150 		tlv_buf += (sizeof(*head) + tlv_buf_len);
1151 		tlv_buf_left -= (sizeof(*head) + tlv_buf_len);
1152 	}
1153 
1154 	return 0;
1155 }
1156 
1157 /*
1158  * This function handles the command responses.
1159  *
1160  * This is a generic function, which calls command specific
1161  * response handlers based on the command ID.
1162  */
1163 int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, u16 cmdresp_no,
1164 				struct host_cmd_ds_command *resp)
1165 {
1166 	int ret = 0;
1167 	struct mwifiex_adapter *adapter = priv->adapter;
1168 	void *data_buf = adapter->curr_cmd->data_buf;
1169 
1170 	/* If the command is not successful, cleanup and return failure */
1171 	if (resp->result != HostCmd_RESULT_OK) {
1172 		mwifiex_process_cmdresp_error(priv, resp);
1173 		return -1;
1174 	}
1175 	/* Command successful, handle response */
1176 	switch (cmdresp_no) {
1177 	case HostCmd_CMD_GET_HW_SPEC:
1178 		ret = mwifiex_ret_get_hw_spec(priv, resp);
1179 		break;
1180 	case HostCmd_CMD_CFG_DATA:
1181 		ret = mwifiex_ret_cfg_data(priv, resp);
1182 		break;
1183 	case HostCmd_CMD_MAC_CONTROL:
1184 		break;
1185 	case HostCmd_CMD_802_11_MAC_ADDRESS:
1186 		ret = mwifiex_ret_802_11_mac_address(priv, resp);
1187 		break;
1188 	case HostCmd_CMD_MAC_MULTICAST_ADR:
1189 		ret = mwifiex_ret_mac_multicast_adr(priv, resp);
1190 		break;
1191 	case HostCmd_CMD_TX_RATE_CFG:
1192 		ret = mwifiex_ret_tx_rate_cfg(priv, resp);
1193 		break;
1194 	case HostCmd_CMD_802_11_SCAN:
1195 		ret = mwifiex_ret_802_11_scan(priv, resp);
1196 		adapter->curr_cmd->wait_q_enabled = false;
1197 		break;
1198 	case HostCmd_CMD_802_11_SCAN_EXT:
1199 		ret = mwifiex_ret_802_11_scan_ext(priv, resp);
1200 		adapter->curr_cmd->wait_q_enabled = false;
1201 		break;
1202 	case HostCmd_CMD_802_11_BG_SCAN_QUERY:
1203 		ret = mwifiex_ret_802_11_scan(priv, resp);
1204 		cfg80211_sched_scan_results(priv->wdev.wiphy);
1205 		mwifiex_dbg(adapter, CMD,
1206 			    "info: CMD_RESP: BG_SCAN result is ready!\n");
1207 		break;
1208 	case HostCmd_CMD_802_11_BG_SCAN_CONFIG:
1209 		break;
1210 	case HostCmd_CMD_TXPWR_CFG:
1211 		ret = mwifiex_ret_tx_power_cfg(priv, resp);
1212 		break;
1213 	case HostCmd_CMD_RF_TX_PWR:
1214 		ret = mwifiex_ret_rf_tx_power(priv, resp);
1215 		break;
1216 	case HostCmd_CMD_RF_ANTENNA:
1217 		ret = mwifiex_ret_rf_antenna(priv, resp);
1218 		break;
1219 	case HostCmd_CMD_802_11_PS_MODE_ENH:
1220 		ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf);
1221 		break;
1222 	case HostCmd_CMD_802_11_HS_CFG_ENH:
1223 		ret = mwifiex_ret_802_11_hs_cfg(priv, resp);
1224 		break;
1225 	case HostCmd_CMD_802_11_ASSOCIATE:
1226 		ret = mwifiex_ret_802_11_associate(priv, resp);
1227 		break;
1228 	case HostCmd_CMD_802_11_DEAUTHENTICATE:
1229 		ret = mwifiex_ret_802_11_deauthenticate(priv, resp);
1230 		break;
1231 	case HostCmd_CMD_802_11_AD_HOC_START:
1232 	case HostCmd_CMD_802_11_AD_HOC_JOIN:
1233 		ret = mwifiex_ret_802_11_ad_hoc(priv, resp);
1234 		break;
1235 	case HostCmd_CMD_802_11_AD_HOC_STOP:
1236 		ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp);
1237 		break;
1238 	case HostCmd_CMD_802_11_GET_LOG:
1239 		ret = mwifiex_ret_get_log(priv, resp, data_buf);
1240 		break;
1241 	case HostCmd_CMD_RSSI_INFO:
1242 		ret = mwifiex_ret_802_11_rssi_info(priv, resp);
1243 		break;
1244 	case HostCmd_CMD_802_11_SNMP_MIB:
1245 		ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf);
1246 		break;
1247 	case HostCmd_CMD_802_11_TX_RATE_QUERY:
1248 		ret = mwifiex_ret_802_11_tx_rate_query(priv, resp);
1249 		break;
1250 	case HostCmd_CMD_VERSION_EXT:
1251 		ret = mwifiex_ret_ver_ext(priv, resp, data_buf);
1252 		break;
1253 	case HostCmd_CMD_REMAIN_ON_CHAN:
1254 		ret = mwifiex_ret_remain_on_chan(priv, resp, data_buf);
1255 		break;
1256 	case HostCmd_CMD_11AC_CFG:
1257 		break;
1258 	case HostCmd_CMD_P2P_MODE_CFG:
1259 		ret = mwifiex_ret_p2p_mode_cfg(priv, resp, data_buf);
1260 		break;
1261 	case HostCmd_CMD_MGMT_FRAME_REG:
1262 	case HostCmd_CMD_FUNC_INIT:
1263 	case HostCmd_CMD_FUNC_SHUTDOWN:
1264 		break;
1265 	case HostCmd_CMD_802_11_KEY_MATERIAL:
1266 		ret = mwifiex_ret_802_11_key_material(priv, resp);
1267 		break;
1268 	case HostCmd_CMD_802_11D_DOMAIN_INFO:
1269 		ret = mwifiex_ret_802_11d_domain_info(priv, resp);
1270 		break;
1271 	case HostCmd_CMD_11N_ADDBA_REQ:
1272 		ret = mwifiex_ret_11n_addba_req(priv, resp);
1273 		break;
1274 	case HostCmd_CMD_11N_DELBA:
1275 		ret = mwifiex_ret_11n_delba(priv, resp);
1276 		break;
1277 	case HostCmd_CMD_11N_ADDBA_RSP:
1278 		ret = mwifiex_ret_11n_addba_resp(priv, resp);
1279 		break;
1280 	case HostCmd_CMD_RECONFIGURE_TX_BUFF:
1281 		if (0xffff == (u16)le16_to_cpu(resp->params.tx_buf.buff_size)) {
1282 			if (adapter->iface_type == MWIFIEX_USB &&
1283 			    adapter->usb_mc_setup) {
1284 				if (adapter->if_ops.multi_port_resync)
1285 					adapter->if_ops.
1286 						multi_port_resync(adapter);
1287 				adapter->usb_mc_setup = false;
1288 				adapter->tx_lock_flag = false;
1289 			}
1290 			break;
1291 		}
1292 		adapter->tx_buf_size = (u16) le16_to_cpu(resp->params.
1293 							     tx_buf.buff_size);
1294 		adapter->tx_buf_size = (adapter->tx_buf_size
1295 					/ MWIFIEX_SDIO_BLOCK_SIZE)
1296 				       * MWIFIEX_SDIO_BLOCK_SIZE;
1297 		adapter->curr_tx_buf_size = adapter->tx_buf_size;
1298 		mwifiex_dbg(adapter, CMD, "cmd: curr_tx_buf_size=%d\n",
1299 			    adapter->curr_tx_buf_size);
1300 
1301 		if (adapter->if_ops.update_mp_end_port)
1302 			adapter->if_ops.update_mp_end_port(adapter,
1303 				le16_to_cpu(resp->params.tx_buf.mp_end_port));
1304 		break;
1305 	case HostCmd_CMD_AMSDU_AGGR_CTRL:
1306 		break;
1307 	case HostCmd_CMD_WMM_GET_STATUS:
1308 		ret = mwifiex_ret_wmm_get_status(priv, resp);
1309 		break;
1310 	case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS:
1311 		ret = mwifiex_ret_ibss_coalescing_status(priv, resp);
1312 		break;
1313 	case HostCmd_CMD_MEM_ACCESS:
1314 		ret = mwifiex_ret_mem_access(priv, resp, data_buf);
1315 		break;
1316 	case HostCmd_CMD_MAC_REG_ACCESS:
1317 	case HostCmd_CMD_BBP_REG_ACCESS:
1318 	case HostCmd_CMD_RF_REG_ACCESS:
1319 	case HostCmd_CMD_PMIC_REG_ACCESS:
1320 	case HostCmd_CMD_CAU_REG_ACCESS:
1321 	case HostCmd_CMD_802_11_EEPROM_ACCESS:
1322 		ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf);
1323 		break;
1324 	case HostCmd_CMD_SET_BSS_MODE:
1325 		break;
1326 	case HostCmd_CMD_11N_CFG:
1327 		break;
1328 	case HostCmd_CMD_PCIE_DESC_DETAILS:
1329 		break;
1330 	case HostCmd_CMD_802_11_SUBSCRIBE_EVENT:
1331 		ret = mwifiex_ret_subsc_evt(priv, resp);
1332 		break;
1333 	case HostCmd_CMD_UAP_SYS_CONFIG:
1334 		break;
1335 	case HOST_CMD_APCMD_STA_LIST:
1336 		ret = mwifiex_ret_uap_sta_list(priv, resp);
1337 		break;
1338 	case HostCmd_CMD_UAP_BSS_START:
1339 		adapter->tx_lock_flag = false;
1340 		adapter->pps_uapsd_mode = false;
1341 		adapter->delay_null_pkt = false;
1342 		priv->bss_started = 1;
1343 		break;
1344 	case HostCmd_CMD_UAP_BSS_STOP:
1345 		priv->bss_started = 0;
1346 		break;
1347 	case HostCmd_CMD_UAP_STA_DEAUTH:
1348 		break;
1349 	case HOST_CMD_APCMD_SYS_RESET:
1350 		break;
1351 	case HostCmd_CMD_MEF_CFG:
1352 		break;
1353 	case HostCmd_CMD_COALESCE_CFG:
1354 		break;
1355 	case HostCmd_CMD_TDLS_OPER:
1356 		ret = mwifiex_ret_tdls_oper(priv, resp);
1357 	case HostCmd_CMD_MC_POLICY:
1358 		break;
1359 	case HostCmd_CMD_CHAN_REPORT_REQUEST:
1360 		break;
1361 	case HostCmd_CMD_SDIO_SP_RX_AGGR_CFG:
1362 		ret = mwifiex_ret_sdio_rx_aggr_cfg(priv, resp);
1363 		break;
1364 	case HostCmd_CMD_HS_WAKEUP_REASON:
1365 		ret = mwifiex_ret_wakeup_reason(priv, resp, data_buf);
1366 		break;
1367 	case HostCmd_CMD_TDLS_CONFIG:
1368 		break;
1369 	case HostCmd_CMD_ROBUST_COEX:
1370 		ret = mwifiex_ret_robust_coex(priv, resp, data_buf);
1371 		break;
1372 	case HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG:
1373 		break;
1374 	case HostCmd_CMD_CHAN_REGION_CFG:
1375 		ret = mwifiex_ret_chan_region_cfg(priv, resp);
1376 		break;
1377 	default:
1378 		mwifiex_dbg(adapter, ERROR,
1379 			    "CMD_RESP: unknown cmd response %#x\n",
1380 			    resp->command);
1381 		break;
1382 	}
1383 
1384 	return ret;
1385 }
1386